Security Advisory
CVE-2021-43522
7.5
HIGH
Vulnerability Description
An issue was discovered in Insyde InsydeH2O with kernel 5.1 through 2021-11-08, 5.2 through 2021-11-08, and 5.3 through 2021-11-08. A StorageSecurityCommandDxe SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
Published Date
February 3, 2022
Official Source
NIST NVD Advisory